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Old 07-21-2008, 04:09 PM   #351
Scooby Guru
Member#: 135252
Join Date: Dec 2006
Chapter/Region: TXIC
Location: Fort Worth, TX
2002 WRX Wagon


Originally Posted by shipjumper View Post
well, I will be installing a DP and STi TMIC... turning the boost up to a whopping 13-14psi...

I will be using romraider and ecuflash...

THEN will this mod be useful?
Not really. The Gm BCS is best to spool quicker and hold higher boost to redline. You will also suffer from a stock up pipe which will limit spool no matter what boost solenoid you're using. STi TMIC is also pointless unless you have a bigger turbo feeding it.

If you want some more power, do the regular stage 2 upgrade:

up pipe, dp, air filter. No need for GM BCS or larger TMIC
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